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Home/Diagnosis/ICD-10 Coding for Ventriculomegaly

ICD-10 Coding for Ventriculomegaly

Q03.9
G91.1

Complete ICD-10-CM coding and documentation guide for icd-10 coding for ventriculomegaly includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Enlarged Ventricles
Fetal Ventriculomegaly
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Key Information: ICD-10 Coding for Ventriculomegaly

Essential facts and insights about ICD-10 Coding for Ventriculomegaly

Use ICD-10 code Q03.9 for congenital hydrocephalus, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Congenital hydrocephalus, unspecified

Billable Code
Q03.9
Billable

Diagnostic Criteria

clinical:
  • • Ventricular measurement ≥10mm on imaging
documentation:
  • • Confirmed congenital origin

Applicable To

  • • Congenital ventriculomegaly

Important Notes

  • • Ensure documentation specifies congenital origin to avoid misclassification.

Obstructive hydrocephalus

Billable Code
G91.1
Billable

Diagnostic Criteria

clinical:
  • • Imaging evidence of obstruction, such as aqueductal stenosis

Applicable To

  • • Acquired obstructive hydrocephalus

Important Notes

  • • Ensure imaging confirms obstructive cause.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z98.2

Presence of cerebrospinal fluid drainage device

Use if a shunt is present.

Frequently Asked Questions

What is the ICD-10 code for congenital ventriculomegaly?

The ICD-10 code for congenital ventriculomegaly is Q03.9, which covers unspecified congenital hydrocephalus.

How is ventriculomegaly documented?

Ventriculomegaly documentation should include ventricular measurements, laterality, and any associated anomalies or genetic testing results.

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